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基于丁腈橡胶的具有增强物理机械性能的木质素磺酸钙填充橡胶复合材料

Calcium-Lignosulfonate-Filled Rubber Compounds Based on NBR with Enhanced Physical-Mechanical Characteristics.

作者信息

Kruželák Ján, Hložeková Klaudia, Kvasničáková Andrea, Džuganová Michaela, Hronkovič Ján, Preťo Jozef, Hudec Ivan

机构信息

Department of Plastics, Rubber and Fibres, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovakia.

VIPO a.s., Gen. Svobodu 1069/4, 958 01 Partizánske, Slovakia.

出版信息

Polymers (Basel). 2022 Dec 7;14(24):5356. doi: 10.3390/polym14245356.

DOI:10.3390/polym14245356
PMID:36559723
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9786110/
Abstract

Calcium lignosulfonate in the amount 30 phr was incorporated into rubber compounds based on pure NBR and an NBR carbon black batch, in which the content of carbon black was 25 phr. Glycerine, as a cheap and environmentally friendly plasticizer, was applied into both types of rubber formulations in a concentration scale ranging from 5 to 20 phr. For the cross-linking of rubber compounds, a sulfur-based curing system was used. The work was aimed at the investigation of glycerine content on the curing process and rheological properties of rubber compounds, cross-link density, morphology and physical-mechanical properties of vulcanizates. The results show that glycerine influences the shapes of curing isotherms and results in a significant decrease between the maximum and minimum torque. This points to the strong plasticizing effect of glycerine on rubber compounds, which was also confirmed from rheological measurements. The application of glycerine resulted in better homogeneity of the rubber compounds and in the better dispersion and distribution of lignosulfonate within the rubber matrix, which was subsequently reflected in the significant improvement of tensile characteristics of vulcanizates. A higher cross-link density as well as better physical-mechanical properties were exhibited by the vulcanizates based on the carbon black batch due to the presence of a reinforcing filler.

摘要

将30份木质素磺酸钙加入到基于纯丁腈橡胶(NBR)和一种炭黑含量为25份的NBR炭黑胶料的橡胶配方中。甘油作为一种廉价且环保的增塑剂,以5至20份的浓度范围应用于两种橡胶配方中。对于橡胶胶料的交联,使用了基于硫磺的硫化体系。这项工作旨在研究甘油含量对橡胶胶料的硫化过程和流变性能、交联密度、硫化胶的形态以及物理机械性能的影响。结果表明,甘油会影响硫化等温线的形状,并导致最大扭矩和最小扭矩之间显著降低。这表明甘油对橡胶胶料具有强烈的增塑作用,流变学测量也证实了这一点。甘油的应用使橡胶胶料的均匀性更好,木质素磺酸盐在橡胶基体中的分散和分布也更好,这随后反映在硫化胶拉伸性能的显著改善上。由于存在增强填料,基于炭黑胶料的硫化胶表现出更高的交联密度以及更好的物理机械性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/776207b8449e/polymers-14-05356-g021.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/00aa01381dd8/polymers-14-05356-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/85b5ec9bfc8c/polymers-14-05356-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/aa0afee2354a/polymers-14-05356-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/338c2a20b1de/polymers-14-05356-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/0a0dbb657d2e/polymers-14-05356-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/00b119175ef1/polymers-14-05356-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/5e70c7de49c6/polymers-14-05356-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/f0e50cdb9d58/polymers-14-05356-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/c9d53dfb402f/polymers-14-05356-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/39711de90ca2/polymers-14-05356-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/9b6d769c8f3f/polymers-14-05356-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/a6349433675b/polymers-14-05356-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/84526010e6b9/polymers-14-05356-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/efc8c3831d16/polymers-14-05356-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/ba1beb011848/polymers-14-05356-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/9e36221ab19a/polymers-14-05356-g016.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/bc5c47f9d660/polymers-14-05356-g018.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/24236b60ec88/polymers-14-05356-g020.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/776207b8449e/polymers-14-05356-g021.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/00aa01381dd8/polymers-14-05356-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/85b5ec9bfc8c/polymers-14-05356-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/aa0afee2354a/polymers-14-05356-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/338c2a20b1de/polymers-14-05356-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/0a0dbb657d2e/polymers-14-05356-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/00b119175ef1/polymers-14-05356-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/5e70c7de49c6/polymers-14-05356-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/f0e50cdb9d58/polymers-14-05356-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/c9d53dfb402f/polymers-14-05356-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/39711de90ca2/polymers-14-05356-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/9b6d769c8f3f/polymers-14-05356-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/a6349433675b/polymers-14-05356-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/84526010e6b9/polymers-14-05356-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/efc8c3831d16/polymers-14-05356-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/ba1beb011848/polymers-14-05356-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/9e36221ab19a/polymers-14-05356-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/16999f45fcc5/polymers-14-05356-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/bc5c47f9d660/polymers-14-05356-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/17de9dfe961b/polymers-14-05356-g019.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/24236b60ec88/polymers-14-05356-g020.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/43aa/9786110/776207b8449e/polymers-14-05356-g021.jpg

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